git: 958335164054 - stable/13 - sys/bus.h: silence warnings about write-only variables

From: Konstantin Belousov <kib_at_FreeBSD.org>
Date: Wed, 27 Oct 2021 00:45:17 UTC
The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=9583351640540846bee811008d452564b792505d

commit 9583351640540846bee811008d452564b792505d
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2021-10-20 13:23:30 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2021-10-27 00:24:40 +0000

    sys/bus.h: silence warnings about write-only variables
    
    (cherry picked from commit 2ff7c2cc4f28ab05caccb2936ba0d74c6734dd39)
---
 sys/sys/bus.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/sys/bus.h b/sys/sys/bus.h
index fbc69ca625c1..fa2b17008691 100644
--- a/sys/sys/bus.h
+++ b/sys/sys/bus.h
@@ -800,7 +800,7 @@ DECLARE_MODULE(name##_##busname, name##_##busname##_mod,		\
 static __inline type varp ## _get_ ## var(device_t dev)			\
 {									\
 	uintptr_t v;							\
-	int e;								\
+	int e __diagused;						\
 	e = BUS_READ_IVAR(device_get_parent(dev), dev,			\
 	    ivarp ## _IVAR_ ## ivar, &v);				\
 	KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d",	\
@@ -812,7 +812,7 @@ static __inline type varp ## _get_ ## var(device_t dev)			\
 static __inline void varp ## _set_ ## var(device_t dev, type t)		\
 {									\
 	uintptr_t v = (uintptr_t) t;					\
-	int e;								\
+	int e __diagused;						\
 	e = BUS_WRITE_IVAR(device_get_parent(dev), dev,			\
 	    ivarp ## _IVAR_ ## ivar, v);				\
 	KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d",	\